Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun main_rotor

1 sense of main rotor

Sense 1
main rotor -- (rotor consisting of large rotating airfoils on a single-rotor helicopter that produce the lift to support the helicopter in the air)
       => rotor -- (rotating mechanism consisting of an assembly of rotating airfoils; "there are horizontal rotors on a helicopter or compressor rotors in a jet engine")